diff --git a/rtc/src/util/Constants.ts b/rtc/src/util/Constants.ts
new file mode 100644
index 00000000..a9978c51
--- /dev/null
+++ b/rtc/src/util/Constants.ts
@@ -0,0 +1,28 @@
+import { VerifyOptions } from "jsonwebtoken";
+
+export const JWTOptions: VerifyOptions = { algorithms: ["HS256"] };
+
+export enum MessageType {
+ DEFAULT = 0,
+ RECIPIENT_ADD = 1,
+ RECIPIENT_REMOVE = 2,
+ CALL = 3,
+ CHANNEL_NAME_CHANGE = 4,
+ CHANNEL_ICON_CHANGE = 5,
+ CHANNEL_PINNED_MESSAGE = 6,
+ GUILD_MEMBER_JOIN = 7,
+ USER_PREMIUM_GUILD_SUBSCRIPTION = 8,
+ USER_PREMIUM_GUILD_SUBSCRIPTION_TIER_1 = 9,
+ USER_PREMIUM_GUILD_SUBSCRIPTION_TIER_2 = 10,
+ USER_PREMIUM_GUILD_SUBSCRIPTION_TIER_3 = 11,
+ CHANNEL_FOLLOW_ADD = 12,
+ GUILD_DISCOVERY_DISQUALIFIED = 14,
+ GUILD_DISCOVERY_REQUALIFIED = 15,
+ GUILD_DISCOVERY_GRACE_PERIOD_INITIAL_WARNING = 16,
+ GUILD_DISCOVERY_GRACE_PERIOD_FINAL_WARNING = 17,
+ THREAD_CREATED = 18,
+ REPLY = 19,
+ APPLICATION_COMMAND = 20,
+ THREAD_STARTER_MESSAGE = 21,
+ GUILD_INVITE_REMINDER = 22,
+}
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